Calletaera dentata, Jiang, Nan, Xue, Dayong & Han, Hongxiang, 2014

Jiang, Nan, Xue, Dayong & Han, Hongxiang, 2014, A review of Luxiaria Walker and its allied genus Calletaera Warren (Lepidoptera, Geometridae, Ennominae) from China, Zootaxa 3856 (1), pp. 73-99 : 86-87

Calletaera dentata sp. nov.

Figs 44, 45 , 63 , 80 , 97, 112

Description. Head. Antennae pale yellowish brown mixed with black scales dorsally, bipectinate in male, rami very short, length of longest ramus about one-half diameter of antennal shaft; filiform in female. Frons dark brown, bottom margin yellowish brown, not protruding. Labial palpi yellowish brown, terminal half dark brown. Vertex greyish yellow.

Thorax. Patagia and tegula greyish yellow. Dorsum yellowish white. Hind tibia with two pairs of spurs in both sexes, dilated and with hair-pencil in male. Forewing length: male 12–15 mm; female 13–16 mm. Apex of forewing acute, not protruding; outer margin of forewing straight, that of hind wing with a small acute protrusion at end of M3. Forewing yellowish brown; postmedial line and submarginal line respectively forming a black semicircular patch on costa; antemedial line indistinct; medial line indistinct, only forming a small black patch on costa; discal spot pale greyish brown, short stripe-like; postmedial line black and thin, often present as a row of dots, bent inwards below M1; a greyish brown band present outside postmedial line below M1; submarginal line greyish white, crenulate, flanked by greyish brown bands, inner band only distinct below M1; terminal line greyish black; fringes yellowish white mixed with sparse grey scales. Hind wing pale yellowish brown; subbasal line black; medial line black and straight, passing through discal spot; postmedial line more distinct and continuous than that of forewing, thin and protruding outwards between costa and M1; a greyish brown band outside postmedial line; submarginal line greyish white, protruding outwards at M1, flanked by greyish brown bands, the bands narrower above M1; terminal line and fringes similar to those of forewing. Underside yellowish brown; transverse lines blackish brown; discal spots and medial lines of both wings more distinct than those on upperside. Forewing with R1 anastomosing with R2, Sc connected with R1+2 by a short bar.

Abdomen. First abdominal segment yellowish white, remaining segments greyish brown with black scales between each segment. Tuft of scales present on male sternite III.

Male genitalia. Uncus short, with a tapered process apically. Gnathos with median process vestigial. Valva deeply bifurcate; dorsal arm bearing setae, rounded apically, slightly protruding at middle of dorsal margin; ventral arm tapered with a curved spine terminally. Saccus triangular, equal to length of uncus. Juxta short, oval. Aedeagus short, sclerotized posteriorly on both sides; vesica with one stout and long cornutus, about one-half length of aedeagus, with deep serration on one side of terminal half.

Female genitalia. Lamella postvaginalis small and triangular. Ductus bursae short and sclerotized, about one quarter length of corpus bursae, with an antrum. Corpus bursae long, striate longitudinally and weakly sclerotized posteriorly; signum rounded, with 13 to 14 marginal spines. Seventh sternite sclerotized and with a shallow cleft at posterior half.

Diagnosis. The diagnostic characters are given under the previous species.

Type material. Holotype, ♂, CHINA: Hainan ( IZCAS): Lingshui, Diaoluoshan, 946 m, 31.III.2008, coll. Lang Songyun. Paratypes: Jiangxi ( IZCAS): 1♀, Jiulianshan, Daqiutian, 25.IX.1989; 1 ♂, Dayu, 15.VII.1975, coll. Song Shimei. Hunan ( IZCAS): 1♀, Qiyang, 4.VIII.1981, coll. Li Caiye. Fujian ( IZCAS): 2 ♂, Nanjing, Tiankui, 6.XI.1980, coll. Zhang Baolin & Cai Rongquan; 1 ♂, Meihuashan, 1155–1190 m, 5.XI.2008, coll. Yuan Feng; 2 ♂, Shanghang, Meihuashan, Mafang, 1081–1147 m, 3–5.XI.2008, coll. Chen Fuqiang; 1 ♂, Wuping, Liangyeshan, Kongxia, 480–627 m, 17–19.XI.2008, coll. Chen Fuqiang; 1♀, Nanping, Wangtai, 9.VI.1981. Guangdong ( IZCAS): 1 ♂, Lianping, 14.V.1973, coll. Zhang Baolin. Hainan ( IZCAS): 2 ♂ 3♀, Lingshui, Diaoluoshan, 920–946 m, 10.XII.2007, 29–31.III.2008, coll. Lang Songyun & Li Jing; 4♀, Baisha, Nankai, Nanmaola, 1261 m, 12–14.V.2009, coll. Yan Keji; 1♀, Baisha, Yinggeling, 434 m, 3–4.XII.2007, coll. Li Jing; 1 ♂, Baisha, Hongkan Shuiku, 553 m, 3–5.V.2009, Yan Keji; 1 ♂, Wuzhishan, 727 m, 6.XII.2007, coll. Li Jing; 1 ♂ 1♀, Wuzhishan, Shuiman, 730–900 m, 1.IV.2008, coll. Lang Songyun; 1 ♂, Bawangling, Dongliu Linchang, 630–750 m, 20.XII.2007, coll. Li Jing; 7 ♂, Jianfengling, 30.X.1981, 8.XII.1981, 2–24.IX.1982, 5.XII.1983, 14–17.XII.2007, 21.V.2009, coll. Li Jing et al. Guangxi ( IZCAS): 2 ♂ 1♀, Fangcheng, Fulong, 240 m, 14–15.III.1999, 25.V.1999, coll. Li Wenzhu & Yuan Decheng; 1 ♂, Longsheng, Hongmaochong, 900 m, 10.VI.1963. Yunnan ( IZCAS): 2 ♂, Pingbian, Daweishan, 1500 m, 18.VI.1956, coll. Huang Keren; 1 ♂, Xishuangbanna, Menghai, 1200–1600 m, 21.VII.1958, coll. Wang Shuyong; 5 ♂, Baoshan, Baihualing, 1520 m, 11–13.VIII.2007, coll. Lang Songyun & Wu Chunguang. Tibet ( IZCAS): 1 ♂, Mêdog, Yarang, 1091 m, 23.VIII.2006, coll. Lang Songyun.

Distribution. China (Jiangxi, Hunan, Fujian, Guangdong, Hainan, Guangxi, Yunnan, Tibet).

Etymology. The species is named on the basis of Latin word dentatus, which means dentate, referring to the cornutus.

Figures

FIGURES 29 – 47. Adults. 29 – 30. Calletaera obliquata. 29, male (Yunnan); 30, ditto, underside; 31 – 32. C. obvia sp. nov. 31, male (holotype, Hunan); 32, ditto, underside; 33 – 34. C. acuticornuta sp. nov. 33, male (holotype, Hainan); 34, ditto, underside; 35 – 36. C. rotundicornuta sp. nov. 35, male (holotype, Guangxi); 36, ditto, underside; 37 – 38. C. consimilaria. 37, male (Sichuan); 38, ditto, underside; 39 – 41. C. subexpressa. 39, male (syntype of Calletaera digrammata, Lienping, ZFMK); 40, male (Fujian); 41, ditto, underside; 42. C. basipuncta, male (syntype, Taiwan, BMNH); 43. C. postvittata, male (Sumatra, BMNH); 44 – 45. C. dentata sp. nov. 44, male (holotype, Hainan); 45, ditto, underside; 46 – 47. C. trigonoprocessus sp. nov. 46, male (holotype, Sichuan); 47, ditto, underside.

FIGURES 60 – 64. Male genitalia. 60, Calletaera consimilaria; 61, C. subexpressa; 62, C. postvittata (BMNH); 63, C. dentata sp. nov. (holotype); 64, C. trigonoprocessus sp. nov. (holotype). Scale bar = 1 mm.

FIGURES 77 – 98. Aedeagus and sternites of of male and female abdomen. 77 – 81. Aedeagus. 77, Calletaera consimilaria; 78, C. subexpressa; 79, C. postvittata (BMNH); 80, C. dentata sp. nov. (holotype); 81, C. trigonoprocessus sp. nov. (holotype). Scale bar = 1 mm. 82 – 84. Eighth sternite of male abdomen. 82, Luxiaria phyllosaria; 83, Calletaera obliquata; 84, C. subexpressa. 85 – 98. Seventh sternite of female abdomen. 85, Luxiaria mitorrhaphes; 86, L. acutaria; 87, L. amasa; 88, L. emphatica; 89, L. tephrosaria; 90, L. phyllosaria; 91, Calletaera obliquata; 92, C. obvia sp. nov. (paratype); 93, C. acuticornuta sp. nov. (paratype); 94, C. rotundicornuta sp. nov. (paratype); 95, C. consimilaria; 96, C. subexpressa; 97, C. dentata sp. nov. (paratype); 98, C. trigonoprocessus sp. nov. (paratype).

FIGURES 107 – 113. Female genitalia. 107, Calletaera acuticornuta sp. nov. (paratype); 108, C. rotundicornuta sp. nov. (paratype); 109, C. consimilaria; 110, C. subexpressa; 111, C. postvittata (BMNH); 112, C. dentata sp. nov. (paratype); 113, C. trigonoprocessus sp. nov. (paratype). Scale bar = 1 mm.